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A steady weak solution of the equations of motion of a viscous incompressible fluid through porous media in a domain with a non-compact boundary

  1. 1.
    0374149 - MÚ 2013 RIV NL eng J - Článek v odborném periodiku
    Akyildiz, F.T. - Neustupa, Jiří - Siginer, D.
    A steady weak solution of the equations of motion of a viscous incompressible fluid through porous media in a domain with a non-compact boundary.
    Acta Applicandae Mathematicae. Roč. 119, č. 1 (2012), s. 23-42. ISSN 0167-8019. E-ISSN 1572-9036
    Grant CEP: GA AV ČR IAA100190905
    Výzkumný záměr: CEZ:AV0Z10190503
    Klíčová slova: flows in porous media * steady-state problems * inhomogeneous boundary data
    Kód oboru RIV: BA - Obecná matematika
    Impakt faktor: 0.985, rok: 2012
    http://www.springerlink.com/content/t8n71p67w2282t96/

    We assume that Ω is a domain in 2 or in 3 with a non-compact boundary, representing a generally inhomogeneous and anisotropic porous medium. We prove the weak solvability of the boundary-value problem, describing the steady motion of a viscous incompressible fluid in Ω. We impose no restriction on sizes of the velocity fluxes through unbounded components of the boundary of Ω. The proof is based on the construction of appropriate Galerkin approximations and study of their convergence. In Sect. 4, we provide several examples of concrete forms of Ω and prescribed velocity profiles on Ω, when our main theorem can be applied.
    Trvalý link: http://hdl.handle.net/11104/0207133

     
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